Patents by Inventor Dick D. Hendershot

Dick D. Hendershot has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus for producing castings from flaskless sand molds
    Patent number: 3989094
    Abstract: A novel method and apparatus for high capacity production of castings from flaskless sand molds. A method and apparatus is provided wherein simple, inexpensive and easily maintained equipment is used and the pouring and cooling cycles of the castings are independent of the rate of green mold production.
    Type: Grant
    Filed: January 8, 1974
    Date of Patent: November 2, 1976
    Assignee: The Fairfield Engineering Company
    Inventors: Donald L. Gorenflo, Dick D. Hendershot, Oscar E. Ridenour